Answer:

Step-by-step explanation:

Apply absolute rule: 

Multiply:


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Answer:
9 + f = 16
Step-by-step explanation:
So just say 9 + f = 16 since the tree grew to 16, and the f is the amount.
Yes, this is a function because the mapping is one to one. The domain is the the different inputs that can be put into the function, so the domain is {1,2,3,4,5}. The range is the different outputs the function can produce. So the range would be {40,80,120,160,200}.
Answer:
Shortest side = 39
Median side = 65
Longest side = 91
Step-by-step explanation:
So here we have 3:5:7
And we keep adding on to it.
-2 = -2 because of the slope